{"id":698,"date":"2026-01-26T06:55:21","date_gmt":"2026-01-26T06:55:21","guid":{"rendered":"http:\/\/yieou.com\/?post_type=products&p=698"},"modified":"2026-09-16T02:16:16","modified_gmt":"2026-09-16T02:16:16","slug":"tg3-24q-175x255x310-wall-throught-bushing","status":"publish","type":"products","link":"https:\/\/yieou.com\/ar\/product\/tg3-24q-175x255x310-wall-throught-bushing\/","title":{"rendered":"\u062c\u0644\u0628\u0629 \u062c\u062f\u0627\u0631\u064a\u0629 TG3-24Q\/175\u00d7255\u00d7310"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h3>\n\n\n\n

\u062c\u0644\u0628\u0629 \u062c\u062f\u0627\u0631\u064a\u0629 TG3-24Q\/175\u00d7255\u00d7310<\/a> \u0647\u0648 \u0639\u0627\u0632\u0644 \u0628\u0648\u0634\u064a\u0646\u062c \u0645\u0646 \u0631\u0627\u062a\u0646\u062c \u0627\u0644\u0625\u064a\u0628\u0648\u0643\u0633\u064a \u062f\u0627\u062e\u0644\u064a \u0645\u0635\u0645\u0645 \u0644\u0623\u0646\u0638\u0645\u0629 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u062a\u0648\u0633\u0637 \u200b\u200b\u0627\u0644\u0645\u0635\u0646\u0641\u0629 \u0628\u0640 24 \u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0648\u0623\u0642\u0644.<\/p>\n\n\n\n

\u0645\u0635\u0646\u0639\u0629 \u0643\u0647\u064a\u0643\u0644 \u0645\u062a\u0643\u0627\u0645\u0644 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0644\u0628 \u0628\u0627\u0644\u0636\u063a\u0637 APG\u060c \u0648\u062a\u0633\u062a\u062e\u062f\u0645 \u062d\u064a\u062b \u062a\u0645\u0631 \u0642\u0636\u0628\u0627\u0646 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0630\u0627\u062a \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0639\u0627\u0644\u064a. switchgear <\/a>\u0641\u0648\u0627\u0635\u0644\u060c \u062c\u062f\u0631\u0627\u0646\u060c \u0623\u0648 \u0647\u064a\u0627\u0643\u0644 \u0645\u0624\u0631\u0636\u0629 \u0623\u062e\u0631\u0649. \u064a\u0648\u0641\u0631 \u0627\u0644\u0645\u0646\u062a\u062c \u0639\u0632\u0644\u064b\u0627 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u064b\u0627\u060c \u0648\u062f\u0639\u0645\u064b\u0627 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u064b\u0627\u060c \u0648\u062a\u0648\u0635\u064a\u0644\u064b\u0627 \u0627\u0646\u062a\u0642\u0627\u0644\u064a\u064b\u0627 \u0644\u0642\u0636\u0628\u0627\u0646 \u0627\u0644\u062a\u0648\u0635\u064a\u0644.<\/p>\n\n\n\n

It is widely used in 24 kV withdrawable switchgear, ring main units, and other complete power distribution equipment.<\/p>\n\n\n\n

\u0648\u0635\u0641 \u0627\u0644\u0646\u0645\u0648\u0630\u062c<\/h3>\n\n\n\n
\u0631\u0645\u0632 \u0627\u0644\u0646\u0645\u0648\u0630\u062c<\/th>\u0648\u0635\u0641<\/th><\/tr><\/thead>
TG3<\/td>Epoxy resin wall bushing series for withdrawable switchgear<\/td><\/tr>
24Q<\/td>Rated voltage of 24 kV; Q indicates a fully insulated or reinforced insulation structure<\/td><\/tr>
\u0661\u0667\u0665 \u00d7 \u0662\u0665\u0665<\/td>Inner opening dimensions for the busbar: 255 mm long and 175 mm wide, with an oval or rectangular opening<\/td><\/tr>
310<\/td>Overall bushing height, including the upper and lower sheds, 310 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0645\u064a\u0632\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c<\/h3>\n\n\n\n

\u0623\u062f\u0627\u0621 \u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0645\u0645\u062a\u0627\u0632<\/h3>\n\n\n\n
    \n
  • Manufactured from high-purity epoxy resin with high dielectric strength and low dielectric loss.<\/li>\n\n\n\n
  • Capable of withstanding the long-term operating voltage of a 24 kV system, as well as lightning impulse and power-frequency withstand voltage tests.<\/li>\n\n\n\n
  • The optimized shed structure increases the creepage distance and improves resistance to pollution flashover and moisture.<\/li>\n\n\n\n
  • Suitable for humid, dusty, and other demanding indoor environments.<\/li>\n\n\n\n
  • The fully insulated structure helps minimize partial discharge risks and supports safe and stable system operation.<\/li>\n<\/ul>\n\n\n\n

    \u0623\u062f\u0627\u0621 \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u0645\u0648\u062b\u0648\u0642<\/h3>\n\n\n\n
      \n
    • The one-piece moulded structure provides high mechanical strength, impact resistance, and ageing resistance.<\/li>\n\n\n\n
    • Capable of withstanding busbar installation stress and vibration generated by the switchgear.<\/li>\n\n\n\n
    • The central square flange provides accurate installation positioning and reliable sealing.<\/li>\n\n\n\n
    • Effectively separates the internal and external spaces of the switchgear compartment.<\/li>\n\n\n\n
    • Lightweight construction with no risk of porcelain bushing explosion, helping improve equipment safety.<\/li>\n<\/ul>\n\n\n\n

      Reliable Manufacturing and Environmental Adaptability<\/h3>\n\n\n\n
        \n
      • Manufactured using the APG pressure gelation process, providing a dense, uniform structure with no bubbles or cracks.<\/li>\n\n\n\n
      • High product consistency supports reliable batch installation and replacement.<\/li>\n\n\n\n
      • Flame-retardant performance complies with UL94 V-0.<\/li>\n\n\n\n
      • Resistant to high and low temperatures, chemical corrosion, and long-term ageing.<\/li>\n\n\n\n
      • Maintenance-free design requires only periodic cleaning of surface contamination.<\/li>\n<\/ul>\n\n\n\n

        \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629<\/h2>\n\n\n\n
        \u0645\u0639\u0627\u0645\u0644<\/th>\u0645\u0648\u0627\u0635\u0641\u0627\u062a<\/th><\/tr><\/thead>
        \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0642\u0646\u0646<\/td>24 kV, suitable for 10\u201335 kV three-phase AC systems<\/td><\/tr>
        \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0645\u0642\u0646\u0646<\/td>50\/60 Hz; suitable for systems from 15 to 60 Hz<\/td><\/tr>
        \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0642\u0646\u0646<\/td>Suitable for 630\u20132,500 A busbar systems, depending on busbar specifications<\/td><\/tr>
        \u062c\u0647\u062f \u062a\u062d\u0645\u0644 \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a<\/td>Dry test: 65 kV for 1 minute; wet test: 50 kV for 1 minute<\/td><\/tr>
        \u062c\u0647\u062f \u062a\u062d\u0645\u0644 \u0627\u0644\u0646\u0628\u0636\u0627\u062a \u0627\u0644\u0628\u0631\u0642\u064a\u0629<\/td>125 kV peak<\/td><\/tr>
        \u0645\u0633\u0627\u0641\u0629 \u0627\u0644\u0632\u062d\u0641<\/td>\u2265630 mm, meeting the insulation requirements of 24 kV systems<\/td><\/tr>
        Inner Opening Dimensions<\/td>175 \u00d7 255 mm, oval or rectangular<\/td><\/tr>
        \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0643\u0644\u064a<\/td>310 \u0645\u0644\u0645<\/td><\/tr>
        \u0623\u0628\u0639\u0627\u062f \u0627\u0644\u0634\u0641\u0629<\/td>Suitable for standard mounting holes in 24 kV withdrawable switchgear; customizable<\/td><\/tr>
        \u0645\u0627\u062f\u0629<\/td>Epoxy resin with a red insulating housing<\/td><\/tr>
        \u0646\u0637\u0627\u0642 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>-40\u00b0C to +120\u00b0C for long-term operation<\/td><\/tr>
        \u062a\u0635\u0646\u064a\u0641 \u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0644\u0647\u0628<\/td>UL94 V-0<\/td><\/tr>
        \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u0637\u0628\u0642\u0629<\/td>GB\/T 12944.1\u201312944.2 and IEC 60137<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        \u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h3>\n\n\n\n

        Typical Applications<\/h3>\n\n\n\n
          \n
        • 24 kV indoor metal-clad withdrawable switchgear, including KYN28A-24 models.<\/li>\n\n\n\n
        • Ring main units, box-type substations, and busbar wall-passage insulation in distribution stations.<\/li>\n\n\n\n
        • Power stations and substations where live conductors pass through partitions or walls.<\/li>\n\n\n\n
        • Insulating support for conductive components in medium-voltage distribution equipment.<\/li>\n\n\n\n
        • Medium-voltage distribution systems in photovoltaic and wind power booster stations.<\/li>\n<\/ul>\n\n\n\n

          \u0642\u0636\u0628\u0627\u0646 \u062a\u0648\u0635\u064a\u0644 \u0645\u062a\u0648\u0627\u0641\u0642\u0629<\/h3>\n\n\n\n

          The 175 \u00d7 255 mm inner opening is suitable for corresponding rectangular copper or aluminium busbars and can meet high-current transmission requirements.<\/p>\n\n\n\n

          \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/h3>\n\n\n\n

          \u0638\u0631\u0648\u0641 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0639\u0627\u062f\u064a\u0629<\/h3>\n\n\n\n
            \n
          • Ambient temperature: -40\u00b0C to +40\u00b0C.<\/li>\n\n\n\n
          • Daily average temperature: no more than +35\u00b0C.<\/li>\n\n\n\n
          • Installation altitude: no more than 1,000 m.<\/li>\n\n\n\n
          • Customized high-altitude versions are available for installations from 1,000 to 4,000 m.<\/li>\n\n\n\n
          • Daily average relative humidity: no more than 95%.<\/li>\n\n\n\n
          • Monthly average relative humidity: no more than 90%.<\/li>\n\n\n\n
          • Indoor installation only.<\/li>\n\n\n\n
          • The operating environment should be free from severe pollution, corrosive gases, and flammable or explosive substances.<\/li>\n\n\n\n
          • Seismic intensity should not exceed Level 8.<\/li>\n\n\n\n
          • Severe vibration and mechanical impact should be avoided.<\/li>\n<\/ul>\n\n\n\n

            Special Operating Conditions<\/h3>\n\n\n\n

            Customized products are required for:<\/p>\n\n\n\n

              \n
            • High-altitude environments.<\/li>\n\n\n\n
            • Heavily polluted or high-salt-spray environments.<\/li>\n\n\n\n
            • Extremely high or low temperatures.<\/li>\n\n\n\n
            • Special mounting dimensions.<\/li>\n\n\n\n
            • Configurations requiring an integrated shielding layer.<\/li>\n<\/ul>\n\n\n\n

              \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0648\u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/h3>\n\n\n\n

              \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a<\/h3>\n\n\n\n
                \n
              1. Inspect the bushing before installation. Confirm that the surface is free from cracks, bubbles, mechanical damage, moisture, and contamination.<\/li>\n\n\n\n
              2. Pass the busbar through the inner opening. Ensure that the busbar does not contact or press against the inner wall and that sufficient insulation clearance is maintained.<\/li>\n\n\n\n
              3. Fit the flange closely against the switchgear partition and tighten the bolts evenly. Avoid localized stress that may cause cracking.<\/li>\n\n\n\n
              4. After installation, inspect the insulation between the bushing and the switchgear enclosure and confirm that the grounding connection is reliable.<\/li>\n<\/ol>\n\n\n\n

                \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/h3>\n\n\n\n
                  \n
                • Routine inspection:<\/strong> Check the surface for contamination, discharge marks, cracks, and damage. Confirm that the flange seal remains intact.<\/li>\n\n\n\n
                • Periodic cleaning:<\/strong> Clean the surface using a dry, soft cloth or anhydrous alcohol. Do not use corrosive cleaning agents.<\/li>\n\n\n\n
                • Preventive testing:<\/strong> Conduct insulation resistance and withstand voltage tests regularly in accordance with applicable electrical maintenance procedures.<\/li>\n<\/ul>\n\n\n\n

                  \u0627\u062d\u062a\u064a\u0627\u0637\u0627\u062a<\/h3>\n\n\n\n
                    \n
                  1. Do not operate the bushing if it is damaged, damp, or severely contaminated.<\/li>\n\n\n\n
                  2. Avoid striking or colliding with the bushing during installation to prevent damage to the insulating structure.<\/li>\n\n\n\n
                  3. The bushing is intended for indoor use only and must not be installed directly in exposed outdoor environments.<\/li>\n\n\n\n
                  4. Confirm the busbar dimensions and switchgear mounting-hole positions before selecting the product to avoid mismatching.<\/li>\n\n\n\n
                  5. Protect the product from compression, moisture, high temperatures, and direct sunlight during transportation and storage.<\/li>\n<\/ol>\n\n\n\n

                    \u0627\u0644\u062a\u062e\u0635\u064a\u0635 \u0648\u0627\u0644\u062e\u062f\u0645\u0627\u062a<\/h3>\n\n\n\n
                      \n
                    • Special dimensions, integrated shielding layers, high-altitude configurations, and other non-standard products can be customized according to project requirements.<\/li>\n\n\n\n
                    • \u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0641\u0646\u064a\u060c \u0648\u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628\u060c \u0648\u062e\u062f\u0645\u0627\u062a \u0645\u0627 \u0628\u0639\u062f \u0627\u0644\u0628\u064a\u0639 \u0648\u0627\u0644\u0636\u0645\u0627\u0646 \u0645\u062a\u0648\u0641\u0631\u0629.<\/li>\n<\/ul>\n\n\n\n
                      \"TG3-24Q-175\u00d7255\u00d7310-\u062c\u0644\u0628\u0629<\/figure>\n\n
                      \n\n\t\t\n
                        \n\t\t\t <\/ul>\n <\/div>","protected":false},"excerpt":{"rendered":"

                        Product Overview The TG3-24Q\/175\u00d7255\u00d7310 Wall-Throught Bushing is an indoor epoxy resin insulating bushing designed for medium-voltage distribution systems rated at […]<\/p>\n","protected":false},"featured_media":699,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_category":[34],"class_list":["post-698","products","type-products","status-publish","has-post-thumbnail","hentry","product_category-insulation-components-series"],"acf":{"products_imagines":[699,700],"short_describe":"

                        The TG3-24Q\/175×255×310 Wall Bushing is an indoor epoxy resin insulating bushing designed for medium-voltage distribution systems rated at 24 kV and below.<\/span><\/p>","pdf_file":"","related_products":{"products":""},"technical_parameter":"","outline_and_installation_dimension":""},"_links":{"self":[{"href":"https:\/\/yieou.com\/ar\/wp-json\/wp\/v2\/products\/698","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yieou.com\/ar\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/yieou.com\/ar\/wp-json\/wp\/v2\/types\/products"}],"acf:attachment":[{"embeddable":true,"href":"https:\/\/yieou.com\/ar\/wp-json\/wp\/v2\/media\/700"},{"embeddable":true,"href":"https:\/\/yieou.com\/ar\/wp-json\/wp\/v2\/media\/699"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yieou.com\/ar\/wp-json\/wp\/v2\/media\/699"}],"wp:attachment":[{"href":"https:\/\/yieou.com\/ar\/wp-json\/wp\/v2\/media?parent=698"}],"wp:term":[{"taxonomy":"product_category","embeddable":true,"href":"https:\/\/yieou.com\/ar\/wp-json\/wp\/v2\/product_category?post=698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}